* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    background: #f5f3ee;
    color: #2a2a28;
    line-height: 1.6;
}

.auth-box {
    max-width: 360px;
    margin: 80px auto;
    background: #fff;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.auth-box h1 {
    font-size: 32px;
    letter-spacing: -0.5px;
    color: #c2410c;
    text-align: center;
}

.tagline {
    text-align: center;
    font-size: 13px;
    color: #8a8a85;
    margin-bottom: 28px;
}

form { display: flex; flex-direction: column; gap: 12px; }

input {
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
}

input:focus { outline: 2px solid #c2410c; border-color: transparent; }

button {
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    background: #c2410c;
    color: #fff;
}

button.secondary { background: #f0ede6; color: #2a2a28; }

.error {
    background: #fef2f2;
    color: #b91c1c;
    padding: 12px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 16px;
    text-align: center;
}

.topbar {
    background: #fff;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.topbar h1 { font-size: 22px; color: #c2410c; }

.topbar a { color: #8a8a85; text-decoration: none; font-size: 14px; }

.container { max-width: 720px; margin: 24px auto; padding: 0 16px; }

.card {
    background: #fff;
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}